Two-Dimensional Bar Codes; Bar Code Descriptor For Pdf417 (Lexmark) - Lexmark CS410 Technical Reference Manual

Two-dimensional bar codes

Bar code descriptor for PDF417 (Lexmark)

Bytes MSB
0–1 Symbology
ID byte 1
(00x)
2–3 Reserved
4–5 X
dimension
byte 1 (in
Units)
LSB Range
Symbology n/a
ID byte 2
(03x)
Units 0=Default
1=1/300" units
2=1/600" units
3=1/1200" units
X 240–12000 (dec)
dimension
byte 2 (in
units)
Two-dimensional bar codes
Default 
(if not
specified) Definition
n/a Required
The two bytes with values 00
and 03 (hex) or 0 and 3 (dec)
signify the symbology.
0 or 2 (dec) Optional
00 or 02 (hex) Sets the units used in specifying
any further parameters or
dimensions. The default value is 
1/600" (00 or 02 (hex)).
945 (dec) Optional
03 B1 (hex) Sets the X dimension of the
module (white or black
rectangle) in 100th of an inch.
Note: Values that go beyond
the defined range are
appropriately clipped and set to
the minimum and maximum
values.
To set the X dimension to
default at 600 dpi requires a
value of 9.45, which is specified
as 945 (dec) or 03 B1 (hex).
The Units enumeration will be
set to 02 or 00 (hex), and these
two bytes will be 03 and B1
(hex).
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